A T C H I G H P O W E R R E S I S T I V E P R O D U C T S High Power Flange Mount Attenuators Style FA1 General Specifications Frequency Range: DC to 3 GHz Input Power*: 150 Watts Operating Temp Range: -55 to +150C Attenuation Stability**: 0.0001 dB/dB/C, Max. Mounting Flange: Copper, Pd over Ni other platings available Resistive Elements: Tantalum Nitride Substrate Material: Aluminum Nitride Tabs: 99.99% Pure Silver, .004 inches thick, Cover: Alumina xx denotes attenuatiion RoHS Compliant Reliability: MIL-PRF-55342 .975 (24.77 mm) .725 MIN. (18.4 mm) Mechanical Tolerance: .010 inch .225 MAX400 (10.16 mm) (5.76 mm) unless otherwise specified .125 .125 (3.18 mm) (3.18 mm) .188 (4.76 mm) .375 (9.53 mm) .125 THRU (3.18 mm) .040 TYP290 TYP. (1.02 mm) (7.36 mm) .250 TYP170 .004 (6.35 mm) (4.32 mm) (.101 mm) .305 .005 .670 (17.02 mm) (7.75 mm .127 mm) ATC Nominal Frequency Maximum Deviation VSWR Part Number Attenuation (dB) Sensitivity (dB, max.) from Nominal (dB) (max.) FA10975P01DBFBK 1 0.25 +0.45 / -0.15 1.55:1 FA10975P02DBFBK 2 0.30 +0.50 / -0.30 1.50:1 FA10975P03DBFBK 3 0.30 +0.60 / -0.30 1.50:1 FA10975P06DBFBK 6 0.45 +0.80 / -0.20 1.40:1 FA10975P09DBFBK 9 0.35 +0.70 / -0.20 1.30:1 FA10975P10DBFBK 10 0.20 +0.40 / -0.30 1.40:1 FA10975P17DBFBK 17 1.00 +1.00 / -1.20 1.30:1 FA10975P20DBFBK 20 1.00 +1.00 / -1.20 1.30:1 FA10975P30DBFBK 30 1.05 +1.75 / -1.20 1.25:1 For Attenuator Power Handling vs. Mounting Surface Temperature, see following page. ATC Flange Mount Attenuators Part Number Code FA1 0975 P 01DB F BK Case Style Packaging BK - Plastic Carrier Case Size Tolerance F 1% Termination Value A M E R I C A N T E C H N I C A L C E R A M I C S ATC North America ATC Europe ATC Asia sales atceramics.com saleseur atceramics.com sales atceramics-asia.com www .atceramics.comA T C H I G H P O W E R R E S I S T I V E P R O D U C T S Attenuator Power Handling vs. Mounting Surface Temperature 350 Notes: 1. Plot refers to incident continuous power of P Watts 2. Mounting surface is assumed an isotherm at T C M 300 3. Actual testing done at P = 100 Watts, T = 100 C M 4. Plot based on 1-dimensional heat transfer formula: T = T + PR, where M T = area-average resistive film temperature, held to 150 C, max. R = thermal resistance, mounting surface to resistive film 0.5 C/W 250 for 30- and 20- dB devices (other values will run cooler and therefore handle more power consult factory) 200 150 100 50 0 0 25 50 75 100 125 150 Mounting Surface Temperature (C) * Test Condition: With mounting surface temperature = 75 C, max. (see plot above). Actual test conditions are as follows: Flange attached to a large copper carrier whose surface, directly under the flange center, is held at 100 C power applied = 100 Watts. Specification: The attenuation shall change no more that 0.2 dB during and after a 100-hr. Burn-in per MIL-PRF-55342. ** Attenuation vs. frequency as a function of temperature, -55C to +125C Sales of ATC products are subject to the terms and conditions contained in American Technical Ceramics Corp. Terms and Conditions of Sale (ATC document 001-992 Rev. B 12/05). Copies of these terms and conditions will be provided upon request. They may also be viewed on ATC s website at www.atceramics.com/productfinder/default.asp. Click on the link for Terms and Conditions of Sale. ATC has made every effort to have this information as accurate as possible. However, no responsibility is assumed by ATC for its use, nor for any infringements of rights of third parties which may result from its use. ATC reserves the right to revise the content or modify its product without prior notice. 2012 American Technical Ceramics Corp. All Rights Reserved. Excerpt from ATC 001-944 Rev. U, 11/14 A M E R I C A N T E C H N I C A L C E R A M I C S ATC North America ATC Europe ATC Asia sales atceramics.com saleseur atceramics.com sales atceramics-asia.com www .atceramics.com Power Handling (Watts)